Kaley Cuoco and Ryan Sweeting's engagement may have come quickly, but their wedding won't take place for a while. "We are too busy to wedding plan," the Big Bang Theory actress, 27, told reporters at L.A.'s Veuve Clicquot Polo Classic event on Saturday, Oct. 5. "In a year we will start talking about it. We are enjoying being engaged."

Together a mere three months, Cuoco added that she's feeling "excited" and "on top of the world" since the 26-year-old tennis pro proposed late last month. "We're so happy!"

The TV star previously explained how she knew Sweeting was The One during an interview with Entertainment Tonight. "From day one, I just knew immediately, and it's been magic," she gushed. "We have all the same family friends. We grew up with the same people, we just never met. So I kind of feel that I've known him my whole life. I know that it seems a little crazy on paper, but it's what works for us."

Cuoco's close pal Ali Fedotowsky said she thinks it's sweet that Sweeting proposed so early on in their relationship. "I actually think it's super romantic. They met, they fell in love. Friends of both their families have known each other for a really long time, so they feel like they've known each other forever," she said on E! News' Oct. 1 episode. "It's romantic!"

Busy or not, the star is still plenty excited about her upcoming nuptials. On Sunday, she shared a photo of herself (and her gorgeous ring!) sporting a tank top with "bride" spelled out in rhinestones. "Can't contain my joy," she captioned the sweet Instagram pic, which tagged Sweeting and included a happy face.

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